Not a definitive list but if you were interested in mesothelioma (and who isn't?) you might get $50 clicks on adsense: http://www.cwire.org/highest-paying-sear

Not a definitive list but if you were interested in mesothelioma (and who isn't?) you might get $50 clicks on adsense: http://www.cwire.org/highest-paying-search-terms/ http://www.cwire.org/highest-paying-search-terms/ That article is not exhaustive, is disputed as inaccurate, should be used as just an indicator, because as dkokelley said, it depends.